1997 cooling fan problems

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1997 cooling fan problems

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1997 cooling fan problems - 7/6/2008 7:43:47 PM

dmc_12

Posts: 1
Joined: 7/6/2008
Status: offline

relays checked, block sensor changed, thermostat sensor changed, jump voltage directly to the fans they run. what am i missing?

Post #: 1

RE: 1997 cooling fan problems - 7/6/2008 10:59:16 PM

t9ojetpilot

Posts: 504
Joined: 2/23/2007
Status: offline

what makes you think they dont work, they are designed to come on in the 215 -220 range kurt

(in reply to dmc_12)

Post #: 2

RE: 1997 cooling fan problems - 7/8/2008 3:11:31 AM

knoxville

Posts: 2
Joined: 7/8/2008
Status: offline

It typically has four terminals, two of which are current feeds from a fused source of 12-volt electricity. At the relay, there is one current feed into an electromagnetic coil, and one feed into a set of contacts for the switch, which is open. The other terminal for that open switch is connected to the electric motor for the fan. The fourth terminal, also for the coil, is wired to the PCM, which may look at various signals to determine whether or not to provide an electrical ground for that coil.

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(in reply to t9ojetpilot)

Post #: 3